Ed Davis Park in Towsley Canyon is an impressive segment of Santa Clarita Woodlands Park, located on the north side of the Santa Susana Mountains at the north end of Los Angeles County. The trailhead is located just off the 5 Freeway north of the San Fernando Valley, not far from Six Flags Magic Mountain. You don't need a ticket for an adventure in this park, which has its share of natural attractions, like the narrows of Towsley Gorge and seeps of oil and liquid asphalt that pool along